B1706 Просмотр технического описания (PDF) - EPCOS AG
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B1706 Datasheet PDF : 5 Pages
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SAW Components
Bandpass Filter
Preliminary Data
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
B1706
259,86 MHz
T = –40 ˚C ... 85 ˚C
ZS = 150 Ω and matching network
ZL = 150 Ω and matching network
min.
typ.
max.
fN
—
259,86 — MHz
Minimum insertion attenuation
αmin
—
Amplitude ripple (p-p)
∆α
253,61 ...266,11 MHz
—
253,61 ...255,47 MHz
—
255,47 ...257,33 MHz
—
257,33 ...259,84 MHz
—
259,89 ...262,40 MHz
—
262,40 ...264,25 MHz
—
264,25 ...266,11 MHz
—
14,5
15,5 dB
0,8
1,4 dB
0,3
0,8 dB
0,3
0,8 dB
0,3
0,8 dB
0,3
0,8 dB
0,3
0,8 dB
0,7
1,0 dB
Pass bandwidth
αrel ≤ 1,5 dB
αrel ≤ 3 dB
αrel ≤15 dB
B1,5dB
B3dB
B15dB
12,5
14,4
—
14,1
14,9
17,4
15,0 MHz
15,4 MHz
— MHz
Attenuation (relative to αmin)
αrel
Lower sidelobe
230,00 ...fN –12,00 MHz
fN –12,00 ...fN –10,50 MHz
Upper sidelobe
fN + 9,00 ...fN +10,30 MHz
fN +10,30 ...fN +12,00 MHz
fN +12,00 ... 290,00 MHz
34,0
36,0
32,0
36,0
13,0
16,0
34,0
36,0
35,0
37,0
— dB
— dB
— dB
— dB
— dB
Group delay ripple (p–p)
∆τ
fN ± 6,24 MHz
—
50
Temperature coefficient of frequency
TCf
—
–18
70 ns
— ppm/K
Matching network (based on four port measurement, quality factors QL = 40, QC = 90)
Cs2
Cs3
Lp1 = 22 nH
Lp1
Cs2
Lp4
Cs3
Cs2 = 120 pF
Cs3 = 68 pF
Lp4 = 22 nH
3 Mar 14, 2005
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